Home / 85,298.30-117,718.19-47,065.23

Finding the Fourth Proportional to 85,298.30, 117,718.19 and 47,065.23

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Solution

The fourth proportional to 85,298.30, 117,718.19 and 47,065.23 is: 64,953.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298.30 : 117,718.19 = 47,065.23 : x
  2. Step 2: Convert to fraction form
    85,298.30/117,718.19 = 47,065.23/x
  3. Step 3: Cross multiply
    85,298.30x = 117,718.19 × 47,065.23
  4. Step 4: Simplify right side
    85,298.30x = 5,540,433,628.70
  5. Step 5: Solve for x
    x = 5,540,433,628.70/85,298.30
  6. Step 6: Final answer
    x = 64,953.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.